You'd probably be wrong about that. Even today in most of these places, a captive animal that dies is just 'sick' and disposed of. Or often sold off as food if

You'd probably be wrong about that. Even today in most of these places, a captive animal that dies is just 'sick' and disposed of. Or often sold off as food if the death symptoms aren't obviously apparent, as would be the case with HIV. There is no functioning FDA in central africa.